Printing device
US8333459B2 · kind B2 · utility
3Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2008 |
| Grant date | Dec 18, 2012 |
| Priority date | — |
| Expiry date | Nov 11, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/277
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A printing device (10) including a substrate (22) having an aperture (20) extending therethrough, wherein the aperture includes a side wall and defines a liquid ink flow path, an ink firing chamber (24) fluidically connected to the aperture, and a coating positioned on the side wall of the aperture, the coating being impervious to etching by liquid ink, and wherein the coating is chosen from one of silicon dioxide, aluminum oxide, hafnium oxide and silicon nitride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.